The closest alternative to Qwen3 Next 80B A3B Thinking is GLM 4.5 — comparable intelligence (26.4 vs 26.7); for a cheaper option, Nemotron 3 Ultra (free) runs Free/M vs $0.098/M; for more speed, gpt-oss-120b (free) hits 554 t/s; and the best open-weight substitute is MiniMax M3.
GLM 4.5 is the closest alternative to Qwen3 Next 80B A3B Thinking, with an Intelligence Index of 26.4 (Qwen3 Next 80B A3B Thinking scores 26.7) at $0.600 per million input tokens.
Yes — Nemotron 3 Ultra (free) costs Free per million input tokens versus $0.098 for Qwen3 Next 80B A3B Thinking, while staying within ~8 points of its Intelligence Index.
MiniMax M3 is the strongest open-weight alternative to Qwen3 Next 80B A3B Thinking — downloadable from Hugging Face and self-hostable, scoring 54.7 on intelligence.